<!--  -->
<template>
  <div class="">
    <el-cascader
      :options="options"
      v-model="vaules"
      @change="handleChange"
    ></el-cascader>
  </div>
</template>

<script>
//这里可以导入其他文件（比如：组件，工具js，第三方插件js，json文件，图片文件等等）
//例如：import 《组件名称》 from '《组件路径》';

export default {
  //import引入的组件需要注入到对象中才能使用
  components: {},
  data() {
    //这里存放数据
    return {
      values: [],
      options: [
        {
          value: "1",
          label: "1",
          children: [
            {
              value: "1-1",
              label: "1-1",
              children: [
                {
                  value: "1-1-1",
                  label: "1-1-1",
                },
                {
                  value: "1-1-2",
                  label: "1-1-2",
                },
                {
                  value: "1-1-3",
                  label: "1-1-3",
                },
              ],
            },
            {
              value: "1-2",
              label: "1-2",
              children: [
                {
                  value: "1-2-1",
                  label: "1-2-1",
                },
                {
                  value: "1-2-2",
                  label: "1-2-2",
                },
                {
                  value: "1-2-3",
                  label: "1-2-3",
                },
              ],
            },
            {
              value: "1-3",
              label: "1-3",
              children: [
                {
                  value: "1-3-1",
                  label: "1-3-1",
                },
                {
                  value: "1-3-2",
                  label: "1-1-2",
                },
                {
                  value: "1-3-3",
                  label: "1-3-3",
                },
              ],
            },
          ],
        },
        {
          value: "2",
          label: "2",
          children: [
            {
              value: "2-1",
              label: "2-1",
              children: [
                {
                  value: "2-1-1",
                  label: "2-1-1",
                },
                {
                  value: "2-1-2",
                  label: "2-1-2",
                },
                {
                  value: "2-1-3",
                  label: "2-1-3",
                },
              ],
            },
            {
              value: "2-2",
              label: "2-2",
              children: [
                {
                  value: "2-2-1",
                  label: "2-2-1",
                },
                {
                  value: "2-2-2",
                  label: "2-2-2",
                },
                {
                  value: "2-2-3",
                  label: "2-1-3",
                },
              ],
            },
            {
              value: "2-3",
              label: "2-3",
              children: [
                {
                  value: "2-3-1",
                  label: "2-3-1",
                },
                {
                  value: "2-3-2",
                  label: "2-3-2",
                },
                {
                  value: "2-3-3",
                  label: "2-3-3",
                },
              ],
            },
          ],
        },
        {
          value: "3",
          label: "3",
          children: [
            {
              value: "3-1",
              label: "3-1",
              children: [
                {
                  value: "3-1-1",
                  label: "3-1-1",
                },
                {
                  value: "3-1-2",
                  label: "3-1-2",
                },
                {
                  value: "3-1-3",
                  label: "3-1-3",
                },
              ],
            },
            {
              value: "3-2",
              label: "3-2",
              children: [
                {
                  value: "3-2-1",
                  label: "3-2-1",
                },
                {
                  value: "3-2-2",
                  label: "3-2-2",
                },
                {
                  value: "3-2-3",
                  label: "3-2-3",
                },
              ],
            },
            {
              value: "3-3",
              label: "3-3",
              children: [
                {
                  value: "3-3-1",
                  label: "3-3-1",
                },
                {
                  value: "3-3-2",
                  label: "3-3-2",
                },
                {
                  value: "3-3-3",
                  label: "3-3-3",
                },
              ],
            },
          ],
        },
      ],
    };
  },
  //监听属性 类似于data概念
  computed: {},
  //监控data中的数据变化
  watch: {},
  //方法集合
  methods: {},
  //生命周期 - 创建完成（可以访问当前this实例）
  created() {},
  //生命周期 - 挂载完成（可以访问DOM元素）
  mounted() {},
  beforeCreate() {}, //生命周期 - 创建之前
  beforeMount() {}, //生命周期 - 挂载之前
  beforeUpdate() {}, //生命周期 - 更新之前
  updated() {}, //生命周期 - 更新之后
  beforeDestroy() {}, //生命周期 - 销毁之前
  destroyed() {}, //生命周期 - 销毁完成
  activated() {}, //如果页面有keep-alive缓存功能，这个函数会触发
};
</script>
<style  scoped>
</style>